254199664 has 40 divisors (see below), whose sum is σ = 502066080. Its totient is φ = 124658688.

The previous prime is 254199661. The next prime is 254199679. The reversal of 254199664 is 466991452.

254199664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254199661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194437 + ... + 195739.

It is an arithmetic number, because the mean of its divisors is an integer number (12551652).

Almost surely, 2^254199664 is an apocalyptic number.

It is an amenable number.

254199664 is a deficient number, since it is larger than the sum of its proper divisors (247866416).

254199664 is a wasteful number, since it uses less digits than its factorization.

254199664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1531 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 254199664 is about 15943.6402367841. The cubic root of 254199664 is about 633.4684515652.

It can be divided in two parts, 2 and 54199664, that added together give a triangular number (54199666 = T₁₀₄₁₁).

The spelling of 254199664 in words is "two hundred fifty-four million, one hundred ninety-nine thousand, six hundred sixty-four".